... 5L, ASTM A 106, ASTM A53, GB/T 8163, EN10216,BS&JIS&DINMaterial:A106GrA,B,C,A53GrA,B,C,API 5L ... 3/86.652 3/860.320.2807.11EXGSEUNC26 (2 3/8 IF)3 3/885.701 3/444.452 7/810 ... .402 7/873.020.369.19NC31 (2 7/8 IF)4 1/8104.80250.803 1/213.303 1 ... .906 5/825.206 5/8168.280.338.386 5/8 FH8 1/4209.554 3/4120.656 5/827.706 ... 5/8168.280.369.196 5/8 FH8 1/4209.554 3/4120.65